Feature: 1. [High Accuracy & 32000 Readings] Reusable temperature logger is with high accuracy temperature sensor and 32,000 readings capacity. 2. [Wide Temperature Range] Temperature Range: ‑30°C to +70°C / ‑22℉ to +158℉; Accuracy: ±0.5°C / ±32.9℉. 3. [U Disk Design] Plug and play, built in USB interface, no cable or reader is required. USB socket directly connected to the computer for data output. 4. [Free Management Software] Download report in PDF/EXCEL/ALT formats via for Elitechlog software. 5. [Main Application] To monitor and record the temperature data during the storage and transportation of food, medicine, chemicals, etc. 6. [Widely Use] Widely used in warehousing, logistics, and cold chain, such as refrigerated containers bags and trucks, cold storage, laboratories, etc. Specification: Item Type: USB Temperature Data Logger Material: Plastic Size: Approx. 78x33mm / 3.1x1.3in Weight: Approx. 40g / 1.4oz Battery: 1 x CR2032 Button Battery (not included) Temperature Range: -30°C to +70°C / -22℉ to +158℉; Accuracy: ±0.5°C / ±32.9℉ Reading Capacity: 32000 Readings Recording Interval: 10 seconds - 24 hours can be set as needed Resolution: 0.1℃ / 32.18℉ Sensor: Built in NTC Thermistor Data Interface: USB Interface Data Output: USB Socket Directly Connected To the Computer Protection Level: IP67 . Package List: 1 x USB Temperature Data Logger (Battery Not Included)1 x English Manual Note: Please allow some errors due to manual measurement.